package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {


    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /*
    * 根据id修改商品数量
    *
    * */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /*
    * 插入数据到购物车
    *
    * */
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor,number, amount, create_time) VALUES " +
            "(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);


    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);

    /*
    * 批量插入购物车数据
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}

